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1# wint_t.m4 serial 4 (gettext-0.18)
2dnl Copyright (C) 2003, 2007-2009 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Bruno Haible.
8dnl Test whether <wchar.h> has the 'wint_t' type.
9dnl Prerequisite: AC_PROG_CC
10
11AC_DEFUN([gt_TYPE_WINT_T],
12[
13  AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
14    [AC_TRY_COMPILE([
15/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
16   <wchar.h>.
17   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
18   before <wchar.h>.  */
19#include <stddef.h>
20#include <stdio.h>
21#include <time.h>
22#include <wchar.h>
23       wint_t foo = (wchar_t)'\0';], ,
24       [gt_cv_c_wint_t=yes], [gt_cv_c_wint_t=no])])
25  if test $gt_cv_c_wint_t = yes; then
26    AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])
27  fi
28])
29